• Title/Summary/Keyword: Visual Paradigm

검색결과 174건 처리시간 0.02초

Retinotopy of human visual cortex; A Study with 3T fMRI

  • 윤효운;정관진;임동미;조은미;송명성;연은경;박현욱
    • 대한자기공명의과학회:학술대회논문집
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    • 대한자기공명의과학회 2002년도 제7차 학술대회 초록집
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    • pp.109-109
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    • 2002
  • Purpose: The aim of the study is to see the representation patterns of human visual cortex by perceiving some geometrical shapes. Method: 3 humans as subjects for the fMRI experiment. A classical block or box car design was used as experimental paradigm. 3 different types of fan shapes and concentric circles were presented.

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QLF의 원리와 임상적 활용 (QLF Concept and Clinical Implementation)

  • 김백일
    • 대한치과의사협회지
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    • 제49권8호
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    • pp.443-450
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    • 2011
  • The leading paradigm of dentistry had been focused on the rehabilitation treatment that identifies active caries, manages them surgically, and restores their original functions. However, changes in the external environment including the current disease prevalence require dentistry to have a paradigm shift. The new paradigm suggests the detection of caries in their earlier stages over the visual diagnosis of cavities, and the reversal of the incipient caries by non-surgical approach. For this to be achieved, a high-technology detection device recognizing changes in the earlier stages which can not he visually observed is needed. Development of early caries detection device has recently become a major issue in preventive dentistry on account of this need, and QLF(Quantitified Light induced Fluorescence) conspicuously stands out among the newly released devices. In this study, the fundamental concept of QLF(Quantitified Light induced Fluorescence) and the possible clinical applications of the earlier intraoral camera model as well as the recently designed digital camera model will be discussed.

지시운동 수행동안 안구와 손의 시공간적 협응에 관한 연구 (Study on Spatio-Temporal Eye-Hand Coordination in Targeting Tasks)

  • 은혜인;유미;이아름;김동욱;권대규;김남균
    • 대한의용생체공학회:의공학회지
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    • 제28권3호
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    • pp.417-422
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    • 2007
  • In this study, we investigated spatio-temporal eye-hand coordination by the "Global effect paradigm", a target-distracter configuration Global effect is observed a variety of visual tasks, for example, during rapid automatic tracking, scanning for target detail, and the comparison of target configurations. Global effect used to investigate eye-hand coordination with a task that presents a target close to a distracter. Eight young subjects participated in the experiments. The experiments consist of using a distracter less eccentric than the targe1 and using a distracter more eccentric than target. Each experiment consist of tasks which are making reference, pointing the target with watching visual stimulation(saccade) and pointing the target. The subject's task was to move towards the target as quickly as possible. We measured the eye movement by using EOG and the hand movement by using NDI Optotrak system. This study shows that eye and hand movement exists for global effect paradigm in spatio-temporal coordination.

환경디자인과 인지생태론 (Environmental Design and Cognitive Ecology)

  • 김주미
    • 조형예술학연구
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    • 제13권1호
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    • pp.23-37
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    • 2008
  • Recently, there are getting popular form generation-related design methodologies and scientific discourses about the nature of nature in the environmental design. The necessity of visual perception and cognitive research is growing in this respect. Accordingly, this study was designed to discuss environmental design and cognition in the ecological perspective. This study was intended to study the structural factors of cognitive ecological space. This study focused on the systematic principle of new environmental design based on cognitive ecological approaches and what kinds of design effects this design principle has on the human being in the long nm. The results are as follows. First, the results suggests that fractal pattern should be an alternative to design cognitive ecological space and new paradigm of architecture is based on the nature of nature and human sensibility. Accordingly, they have proposed that fractal design is more empirical and environment-friendly than rational linear design. Second, this study classified the variables of cognitive ecological space into nature, tradition, preference judgement, aesthetic value, and schema. Accordingly, such features as symbol, tradition, and nature restricted by modernistic ideology should be added to new paradigm-based environmental design. Third, accordingly, this study stresses that cognitive ecological environmental design doesn't include buildings of modernism and deconstruction and is based on new science of complexity.

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전통 복식 조형미의 현대적 수용에 관한 연구 (A Study on the Modem Accomodation of Formative Beauty of Traditional Dress Styles)

  • 김인경
    • 복식문화연구
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    • 제15권4호
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    • pp.713-725
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    • 2007
  • This treatise is designed to discover the principle of timeless continuity of Korean design from the perspective of modem accomodation of formative beauty of tractional dress style with the focus on measurement analysis of dress from visual perspective. For this purpose in this research the following subjects are studied with concentration: the 1st phase debate on the dress style appearing in the Kokuryo murals and genre painting during the later period of Chosun Dynasty regarding the formative beauty of dress style. 2nd phase debate on the points of changes and transformations during given age and given principle of Korean designs being maintained across the span of time in the context of madern accomodation of such traditional dress. From historical perspective characteristics of each given age and principles of visual formative principles appear in various ways variety attributable to mutually interactive principles according to historical background and culture. For this reason it can be said that they are determined by different paradigm or forms from characteristics of Korean style design in the present and future and those for traditional forms of dress in the past.

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시각 예제에 의한 질의: 시각정보 검색지원을 위한 이미지 질의 패러다임의 유용성 비교 연구 (Query by Visual Example: A Comparative Study of the Efficacy of Image Query Paradigms in Supporting Visual Information Retrieval)

  • 콜린 벤터스
    • 정보관리연구
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    • 제42권3호
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    • pp.71-94
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    • 2011
  • 시각적 실례에 의한 질의는 내용기반 이미지 검색 환경에서 질의 표현을 위한 중요한 질의 패러다임이다. 이미지 및 스케치에 의한 질의는 질의표현을 가능하게 하는 방법으로서 오랫동안 알려졌다. 하지만 이 방법이 질의를 쉽게 작성하는 데 얼마나 도움을 주는지에 대한 효율성에 대한 실험적 입증은 아직 미미하다. 정보검색시스템에 표현하는 탐색자의 능력은 검색과정의 기본이다. 이 연구의 목적은 탐색자의 정보 문제와 효율적이고도 효과적인 시각적 질의 작성을 지원하기 위해 필요한 질의 방법들 간의 지식 격차의 원인이 되는 다양한 정보 요구를 지원하는 데 있어서 유용성 실험을 통해 이미지에 의한 질의와 스케치방법에 의한 질의 조사하기 위함이었다. 본 연구 결과는 이미지에 의한 질의가 시각적 질의 작성에 실행 가능한 접근방식임을 제시한다. 반면에, 본 연구결과를 통해 탐색자의 정보 문제와 시각적인 질의 작성에 도움을 주는 스케치 패러다임에 의한 질의표현 능력 간에 상당한 불일치가 있다는 것을 알 수 있다. 효율(시간)과 유효성(오류)에 초점을 둔 유용성 실험결과와 이용자의 만족도는 큰 차이점이 있다고 보여준다(p<0.001). 이는 다음 세 가지 측정(시간, 오류, 이용자의 만족도)에 대한 두 가지 질의 방식(이미지에 의한 질의, 스케치에 의한 질의) 사이에서 나타난 시간(Z=-3.597, p<0.001), 오류(Z=-3.317, p<0.001), 그리고 만족도(Z=-10.223, p<0.001)에서 드러난다. 본 연구결과는 또한 질의도구를 참가자가 인지하는 유용성에 큰 차이가 있다는 것을 보여준다(Z=-4.672, p<0.001).

옥외여가공간의 다중감각 선호 및 이미지 영향력 연구 (A Study on the Multi-sensory Preferences and Image Influences of Outdoor Leisure Spaces)

  • 윤희정;임승빈
    • 한국조경학회지
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    • 제34권3호
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    • pp.23-31
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    • 2006
  • Multi-sensory design results from sensory design paradigm and image centricism, which stimulates 5 sensation; visual, auditory, haptic, smell and taste sensation when we experience environment. This is helpful for designing outdoor space considering integrated sensation not only visual and auditory sensation as well as for improving visitor's satisfaction. Therefore, this study mainly intended to analyse the multi-sensory preference and the image influence of outdoor leisure space. For these purpose, this study selected 3 leisure spaces around Seoul city; Gwan-ak mountain(the type oriented natural resource), Insa-dong(the type oriented cultural resource) and Seoul land as theme park(the type oriented facility) and a survey was performed with a total of 204 visitors at the above spaces in winter and summer. The results of this study indicate that visual sensation was evaluated most high at 3 outdoor leisure spaces in both winter and summer. Visitors at Gwan-ak mountain and Seoul land prefer visual and haptic sensation, but visitors at Insa-dong prefer visual and haptic sensation in summer, visual and taste sensation in winter. Above all, this study led the designer to consider diverse sensation to access leisure space, especially haptic sense, which can be an effective design strategy to satisfy visitors.

현대건축의 표면에 나타난 시각적 촉각의 표현기법에 관한 연구 (A Study on Representation Techniques of Visual Tactility in the Surface of Contemporary Architectutre)

  • 전유창;김성욱
    • 한국실내디자인학회논문집
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    • 제17권3호
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    • pp.139-147
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    • 2008
  • Modern architecture's optical mechanism focused on Ocuularcentrism neglects the tactility of vision and tends to eliminate the optical and tactile dualism of traditional spaces by representing spaces and surfaces that are abstract and cold-hearted. In other words, all sensory experiences, except for visual experiences, are eliminated to make it impossible to create the substantial core of architecture that combines time, image, and surface textures. The fast-changing social trends, the emergence of new materials and technologies, and the corresponding development of various types of media since the Industrial Revolution have changed the paradigm of human perception and representation. With the development of media, other sensory experiences besides visual experience have been stressed and human perception has converted from single perspective to complex perspective. In result, new sensory items, such as visual tactility, have replaced the traditional vision-centered hierarchy. The composition of architectural surfaces has represented the functional and commercial needs of technology, structure, as well as the socio-cultural needs of the community. In contemporary times, it is being changed and developed by the new tactility and the corresponding expression of modern architecture. Based on the visual representation of tactility of architectural surface, this study used a composition of surface that combines various events, meanings, and senses to examine how architecture can mediate and reproduce viewers' visual experiences and discover the existential relationship between architecture and men.

딥러닝 기반 객체 인식 기술 동향 (Trends on Object Detection Techniques Based on Deep Learning)

  • 이진수;이상광;김대욱;홍승진;양성일
    • 전자통신동향분석
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    • 제33권4호
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    • pp.23-32
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    • 2018
  • Object detection is a challenging field in the visual understanding research area, detecting objects in visual scenes, and the location of such objects. It has recently been applied in various fields such as autonomous driving, image surveillance, and face recognition. In traditional methods of object detection, handcrafted features have been designed for overcoming various visual environments; however, they have a trade-off issue between accuracy and computational efficiency. Deep learning is a revolutionary paradigm in the machine-learning field. In addition, because deep-learning-based methods, particularly convolutional neural networks (CNNs), have outperformed conventional methods in terms of object detection, they have been studied in recent years. In this article, we provide a brief descriptive summary of several recent deep-learning methods for object detection and deep learning architectures. We also compare the performance of these methods and present a research guide of the object detection field.

과학 영상매체를 활용한 초등 융합형 교수학습 전략 개발 및 적용 (The Development and Application of Elementary Convergence Teaching and Learning Strategy Using the Science Visual Media)

  • 권난주
    • 과학교육연구지
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    • 제38권1호
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    • pp.29-40
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    • 2014
  • 융합시대로의 패러다임 변화로 인하여 다양한 과학교육 프로그램의 필요성이 요구되고 있다. 본 연구에서는 초등학교 학생들의 과학적 창의성과 예술적 감성 신장에 있어 기술, 공학적 방법 등이 종합된 영상매체의 교육적 효과성을 살펴보고자 하였다. 과학교육 내에서 만의 융합교육에서 벗어나기 위해서는 타 과목과 효과적으로 연계 지도할 수 있는 전략 모색이 필수적인데 이는 방법적인 면에서는 교육과정 재구성을 통해, 내용적인 면에서는 학생들의 흥미와 관심 유발에 효과적인 영상매체가 하나의 전략 방안이 될 수 있다. 본 연구에서는 6학년 2학기 교육과정 내에 포함된 초등교과 단원에서 과학적 사고과정을 연계할 수 있는 교과별 주제를 선정하여 이를 재구성해서 과학적인 영상매체, 즉 과학사진, TV 영상, 영화, UCC 등을 투입하여 산출되는 학생들의 과학에 대한 관심과 흥미에 대한 교육적 유의미성에 대해 살펴보았다.

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